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ISL6277AIRZ is fully compliant with AMD Fusion SVI 2. 0 and provides a complete solution for microprocessor and graphics processor core power. ISL6277AIRZ controller supports two Voltage Regulators (VRs) with three integrated gate drivers and two optional external drivers for maximum flexibility.

Specification Of ISL6277AIRZ

Number of Outputs:2 Output

Switching Frequency:320 kHz

Output Voltage:1.55 V

Minimum Operating Temperature:- 40 C

Maximum Operating Temperature:+ 100 C

Height:0.9 mm

Length:6 mm

Moisture Sensitive:Yes

Operating Supply Current:11 mA

Operating Supply Voltage:5 V

Width:6 mm

Unit Weight:102 mg

Features Of ISL6277AIRZ

Supports AMD SVI 2.0 serial data bus interface

Serial VID clock frequency range 100kHz to 25MHz

Dual output controller with integrated drivers

Two dedicated core drivers

One programmable driver for either Core or Northbridge

Precision voltage regulation

0.5% system accuracy over-temperature

0.5V to 1.55V in 6.25mV steps

Enhanced load line accuracy

Supports multiple current sensing methods

Lossless inductor DCR current sensing

Precision resistor current sensing

Programmable 1-, 2- or 3-phase for the core output and 1- or 2-phase for the Northbridge output

Adaptive body diode conduction time reduction

Superior noise immunity and transient response

Output current and voltage telemetry

Differential remote voltage sensing

High efficiency across entire load range

Programmable slew rate

Programmable VID offset and droop on both outputs

Programmable switching frequency for both outputs

Excellent dynamic current balance between phases

Protection: OCP/WOC, OVP, PGOOD and thermal monitor

Small footprint 48 Ld 6x6 QFN package

Pb-free (RoHS compliant)

Applications Of ISL6277AIRZ

AMD fusion CPU/GPU core power

Notebook computers

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